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tonoplast

American

[ton-uh-plast, toh-nuh-] / ˈtɒn əˌplæst, ˈtoʊ nə- /

noun

Botany.

a membrane separating a vacuole from the surrounding cytoplasm in a plant cell.

tonoplast British

/ ˈtəʊnəˌplæst /

noun

botany the membrane enclosing a vacuole in a plant cell

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of tonoplast

First recorded in 1885–90; tono- + -plast

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023